<?php

/**
 * Argument handler to accept a language.
 */
class views_handler_argument_locale_language extends views_handler_argument {

    function construct() {
        parent::construct('language');
    }

    /**
     * Override the behavior of summary_name(). Get the user friendly version
     * of the language.
     */
    function summary_name($data) {
        return $this->locale_language($data->{$this->name_alias});
    }

    /**
     * Override the behavior of title(). Get the user friendly version
     * of the language.
     */
    function title() {
        return $this->locale_language($this->argument);
    }

    function locale_language($langcode) {
        $languages = locale_language_list();
        return isset($languages[$langcode]) ? $languages[$langcode] : t('Unknown language');
    }

}

